In order to fix crashes with new Pipewire releases like 1.4.10. While on it, do some minor cleanups to make the files more similar. See: https://gitlab.gnome.org/GNOME/libgnome-volume-control/-/merge_requests/31 https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/4048 Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/7851>